4.339 * [progress]: [Phase 1 of 3] Setting up.
0.001 * * * [progress]: [1/2] Preparing points
0.016 * * * [progress]: [2/2] Setting up program.
0.017 * [progress]: [Phase 2 of 3] Improving.
0.017 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ x (/ (- y x) z))
0.018 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
0.019 * * [simplify]: iteration  1 :  12  enodes  (cost  7 )
0.020 * * [simplify]: iteration  2 :  19  enodes  (cost  7 )
0.022 * * [simplify]: iteration  3 :  28  enodes  (cost  7 )
0.025 * * [simplify]: iteration  4 :  38  enodes  (cost  7 )
0.029 * * [simplify]: iteration  5 :  49  enodes  (cost  7 )
0.035 * * [simplify]: iteration  6 :  64  enodes  (cost  7 )
0.042 * * [simplify]: iteration  7 :  73  enodes  (cost  7 )
0.049 * * [simplify]: iteration  8 :  89  enodes  (cost  7 )
0.062 * * [simplify]: iteration  9 :  110  enodes  (cost  7 )
0.075 * * [simplify]: iteration  10 :  136  enodes  (cost  7 )
0.092 * * [simplify]: iteration  11 :  144  enodes  (cost  7 )
0.111 * * [simplify]: iteration  done :  144  enodes  (cost  7 )
0.112 * [simplify]: Simplified to:
   (+ x (/ (- y x) z))
0.112 * * [progress]: iteration 1 / 4
0.112 * * * [progress]: picking best candidate
0.113 * * * * [pick]: Picked  #<alt (λ (x y z) (+ x (/ (- y x) z)))>
0.113 * * * [progress]: localizing error
0.118 * * * [progress]: generating rewritten candidates
0.118 * * * * [progress]: [ 1 / 1 ] rewriting at (2 2)
0.128 * * * [progress]: generating series expansions
0.128 * * * * [progress]: [ 1 / 1 ] generating series at (2 2)
0.128 * [approximate]: Taking taylor expansion of (/ (- y x) z) in (y x z) around 0
0.128 * [taylor]: Taking taylor expansion of (/ (- y x) z) in z
0.128 * [taylor]: Taking taylor expansion of (- y x) in z
0.128 * [taylor]: Taking taylor expansion of y in z
0.128 * [taylor]: Taking taylor expansion of x in z
0.128 * [taylor]: Taking taylor expansion of z in z
0.128 * [taylor]: Taking taylor expansion of (/ (- y x) z) in x
0.128 * [taylor]: Taking taylor expansion of (- y x) in x
0.128 * [taylor]: Taking taylor expansion of y in x
0.128 * [taylor]: Taking taylor expansion of x in x
0.128 * [taylor]: Taking taylor expansion of z in x
0.129 * [taylor]: Taking taylor expansion of (/ (- y x) z) in y
0.129 * [taylor]: Taking taylor expansion of (- y x) in y
0.129 * [taylor]: Taking taylor expansion of y in y
0.129 * [taylor]: Taking taylor expansion of x in y
0.129 * [taylor]: Taking taylor expansion of z in y
0.129 * [taylor]: Taking taylor expansion of (/ (- y x) z) in y
0.129 * [taylor]: Taking taylor expansion of (- y x) in y
0.129 * [taylor]: Taking taylor expansion of y in y
0.129 * [taylor]: Taking taylor expansion of x in y
0.129 * [taylor]: Taking taylor expansion of z in y
0.129 * [taylor]: Taking taylor expansion of (* -1 (/ x z)) in x
0.129 * [taylor]: Taking taylor expansion of -1 in x
0.129 * [taylor]: Taking taylor expansion of (/ x z) in x
0.129 * [taylor]: Taking taylor expansion of x in x
0.129 * [taylor]: Taking taylor expansion of z in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 z) in x
0.130 * [taylor]: Taking taylor expansion of z in x
0.130 * [taylor]: Taking taylor expansion of (/ 1 z) in z
0.130 * [taylor]: Taking taylor expansion of z in z
0.130 * [taylor]: Taking taylor expansion of (/ -1 z) in z
0.130 * [taylor]: Taking taylor expansion of -1 in z
0.130 * [taylor]: Taking taylor expansion of z in z
0.131 * [taylor]: Taking taylor expansion of 0 in x
0.131 * [taylor]: Taking taylor expansion of 0 in z
0.131 * [taylor]: Taking taylor expansion of 0 in z
0.132 * [taylor]: Taking taylor expansion of 0 in z
0.134 * [taylor]: Taking taylor expansion of 0 in x
0.134 * [taylor]: Taking taylor expansion of 0 in z
0.134 * [taylor]: Taking taylor expansion of 0 in z
0.134 * [taylor]: Taking taylor expansion of 0 in z
0.134 * [taylor]: Taking taylor expansion of 0 in z
0.135 * [approximate]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in (y x z) around 0
0.135 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in z
0.135 * [taylor]: Taking taylor expansion of z in z
0.135 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in z
0.135 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.135 * [taylor]: Taking taylor expansion of y in z
0.135 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.135 * [taylor]: Taking taylor expansion of x in z
0.135 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in x
0.135 * [taylor]: Taking taylor expansion of z in x
0.135 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.135 * [taylor]: Taking taylor expansion of y in x
0.135 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.135 * [taylor]: Taking taylor expansion of x in x
0.136 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in y
0.136 * [taylor]: Taking taylor expansion of z in y
0.136 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.136 * [taylor]: Taking taylor expansion of x in y
0.136 * [taylor]: Taking taylor expansion of (* z (- (/ 1 y) (/ 1 x))) in y
0.136 * [taylor]: Taking taylor expansion of z in y
0.136 * [taylor]: Taking taylor expansion of (- (/ 1 y) (/ 1 x)) in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.136 * [taylor]: Taking taylor expansion of y in y
0.136 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.136 * [taylor]: Taking taylor expansion of x in y
0.137 * [taylor]: Taking taylor expansion of z in x
0.138 * [taylor]: Taking taylor expansion of (- (/ z x)) in x
0.138 * [taylor]: Taking taylor expansion of (/ z x) in x
0.138 * [taylor]: Taking taylor expansion of z in x
0.138 * [taylor]: Taking taylor expansion of x in x
0.138 * [taylor]: Taking taylor expansion of (- z) in z
0.138 * [taylor]: Taking taylor expansion of z in z
0.138 * [taylor]: Taking taylor expansion of z in z
0.139 * [taylor]: Taking taylor expansion of 0 in x
0.140 * [taylor]: Taking taylor expansion of 0 in z
0.140 * [taylor]: Taking taylor expansion of 0 in z
0.142 * [taylor]: Taking taylor expansion of 0 in x
0.142 * [taylor]: Taking taylor expansion of 0 in z
0.143 * [taylor]: Taking taylor expansion of 0 in z
0.143 * [taylor]: Taking taylor expansion of 0 in z
0.144 * [approximate]: Taking taylor expansion of (* -1 (* (- (/ 1 x) (/ 1 y)) z)) in (y x z) around 0
0.144 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 x) (/ 1 y)) z)) in z
0.144 * [taylor]: Taking taylor expansion of -1 in z
0.144 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in z
0.144 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in z
0.144 * [taylor]: Taking taylor expansion of (/ 1 x) in z
0.144 * [taylor]: Taking taylor expansion of x in z
0.144 * [taylor]: Taking taylor expansion of (/ 1 y) in z
0.144 * [taylor]: Taking taylor expansion of y in z
0.144 * [taylor]: Taking taylor expansion of z in z
0.144 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 x) (/ 1 y)) z)) in x
0.144 * [taylor]: Taking taylor expansion of -1 in x
0.144 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in x
0.144 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in x
0.144 * [taylor]: Taking taylor expansion of (/ 1 x) in x
0.144 * [taylor]: Taking taylor expansion of x in x
0.144 * [taylor]: Taking taylor expansion of (/ 1 y) in x
0.144 * [taylor]: Taking taylor expansion of y in x
0.145 * [taylor]: Taking taylor expansion of z in x
0.145 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 x) (/ 1 y)) z)) in y
0.145 * [taylor]: Taking taylor expansion of -1 in y
0.145 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in y
0.145 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.145 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.145 * [taylor]: Taking taylor expansion of x in y
0.145 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.145 * [taylor]: Taking taylor expansion of y in y
0.145 * [taylor]: Taking taylor expansion of z in y
0.145 * [taylor]: Taking taylor expansion of (* -1 (* (- (/ 1 x) (/ 1 y)) z)) in y
0.145 * [taylor]: Taking taylor expansion of -1 in y
0.145 * [taylor]: Taking taylor expansion of (* (- (/ 1 x) (/ 1 y)) z) in y
0.145 * [taylor]: Taking taylor expansion of (- (/ 1 x) (/ 1 y)) in y
0.145 * [taylor]: Taking taylor expansion of (/ 1 x) in y
0.145 * [taylor]: Taking taylor expansion of x in y
0.145 * [taylor]: Taking taylor expansion of (/ 1 y) in y
0.145 * [taylor]: Taking taylor expansion of y in y
0.145 * [taylor]: Taking taylor expansion of z in y
0.146 * [taylor]: Taking taylor expansion of z in x
0.147 * [taylor]: Taking taylor expansion of (- (/ z x)) in x
0.147 * [taylor]: Taking taylor expansion of (/ z x) in x
0.147 * [taylor]: Taking taylor expansion of z in x
0.147 * [taylor]: Taking taylor expansion of x in x
0.147 * [taylor]: Taking taylor expansion of (- z) in z
0.147 * [taylor]: Taking taylor expansion of z in z
0.147 * [taylor]: Taking taylor expansion of z in z
0.149 * [taylor]: Taking taylor expansion of 0 in x
0.150 * [taylor]: Taking taylor expansion of 0 in z
0.150 * [taylor]: Taking taylor expansion of 0 in z
0.152 * [taylor]: Taking taylor expansion of 0 in x
0.152 * [taylor]: Taking taylor expansion of 0 in z
0.153 * [taylor]: Taking taylor expansion of 0 in z
0.153 * [taylor]: Taking taylor expansion of 0 in z
0.154 * * * [progress]: simplifying candidates
0.155 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (expm1 (/ (- y x) z))
  (log1p (/ (- y x) z))
  (- (log (- y x)) (log z))
  (log (/ (- y x) z))
  (exp (/ (- y x) z))
  (/ (* (* (- y x) (- y x)) (- y x)) (* (* z z) z))
  (* (cbrt (/ (- y x) z)) (cbrt (/ (- y x) z)))
  (cbrt (/ (- y x) z))
  (* (* (/ (- y x) z) (/ (- y x) z)) (/ (- y x) z))
  (sqrt (/ (- y x) z))
  (sqrt (/ (- y x) z))
  (- (- y x))
  (- z)
  (/ y z)
  (/ x z)
  (/ (* (cbrt (- y x)) (cbrt (- y x))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (- y x)) (cbrt z))
  (/ (* (cbrt (- y x)) (cbrt (- y x))) (sqrt z))
  (/ (cbrt (- y x)) (sqrt z))
  (/ (* (cbrt (- y x)) (cbrt (- y x))) 1)
  (/ (cbrt (- y x)) z)
  (/ (sqrt (- y x)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (- y x)) (cbrt z))
  (/ (sqrt (- y x)) (sqrt z))
  (/ (sqrt (- y x)) (sqrt z))
  (/ (sqrt (- y x)) 1)
  (/ (sqrt (- y x)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- y x) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- y x) (sqrt z))
  (/ 1 1)
  (/ (- y x) z)
  (/ (+ (sqrt y) (sqrt x)) (* (cbrt z) (cbrt z)))
  (/ (- (sqrt y) (sqrt x)) (cbrt z))
  (/ (+ (sqrt y) (sqrt x)) (sqrt z))
  (/ (- (sqrt y) (sqrt x)) (sqrt z))
  (/ (+ (sqrt y) (sqrt x)) 1)
  (/ (- (sqrt y) (sqrt x)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- y x) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- y x) (sqrt z))
  (/ 1 1)
  (/ (- y x) z)
  (/ 1 z)
  (/ z (- y x))
  (/ (- y x) (* (cbrt z) (cbrt z)))
  (/ (- y x) (sqrt z))
  (/ (- y x) 1)
  (/ z (cbrt (- y x)))
  (/ z (sqrt (- y x)))
  (/ z (- y x))
  (/ z (- (sqrt y) (sqrt x)))
  (/ z (- y x))
  (* z (+ (* y y) (+ (* x x) (* y x))))
  (* z (+ y x))
  (- (/ y z) (/ x z))
  (- (/ y z) (/ x z))
  (- (/ y z) (/ x z))
0.157 * * [simplify]: iteration  0 :  75  enodes  (cost  416 )
0.167 * * [simplify]: iteration  1 :  160  enodes  (cost  394 )
0.196 * * [simplify]: iteration  2 :  431  enodes  (cost  374 )
0.296 * * [simplify]: iteration  3 :  1377  enodes  (cost  374 )
0.836 * * [simplify]: iteration  4 :  3601  enodes  (cost  373 )
2.245 * * [simplify]: iteration  done :  5001  enodes  (cost  373 )
2.246 * [simplify]: Simplified to:
   (expm1 (/ (- y x) z))
  (log1p (/ (- y x) z))
  (log (/ (- y x) z))
  (log (/ (- y x) z))
  (exp (/ (- y x) z))
  (pow (/ (- y x) z) 3)
  (* (cbrt (/ (- y x) z)) (cbrt (/ (- y x) z)))
  (cbrt (/ (- y x) z))
  (pow (/ (- y x) z) 3)
  (sqrt (/ (- y x) z))
  (sqrt (/ (- y x) z))
  (- x y)
  (- z)
  (/ y z)
  (/ x z)
  (/ (* (cbrt (- y x)) (cbrt (- y x))) (* (cbrt z) (cbrt z)))
  (/ (cbrt (- y x)) (cbrt z))
  (/ (* (cbrt (- y x)) (cbrt (- y x))) (sqrt z))
  (/ (cbrt (- y x)) (sqrt z))
  (* (cbrt (- y x)) (cbrt (- y x)))
  (/ (cbrt (- y x)) z)
  (/ (sqrt (- y x)) (* (cbrt z) (cbrt z)))
  (/ (sqrt (- y x)) (cbrt z))
  (/ (sqrt (- y x)) (sqrt z))
  (/ (sqrt (- y x)) (sqrt z))
  (sqrt (- y x))
  (/ (sqrt (- y x)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- y x) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- y x) (sqrt z))
  1
  (/ (- y x) z)
  (/ (+ (sqrt y) (sqrt x)) (* (cbrt z) (cbrt z)))
  (/ (- (sqrt y) (sqrt x)) (cbrt z))
  (/ (+ (sqrt y) (sqrt x)) (sqrt z))
  (/ (- (sqrt y) (sqrt x)) (sqrt z))
  (+ (sqrt x) (sqrt y))
  (/ (- (sqrt y) (sqrt x)) z)
  (/ 1 (* (cbrt z) (cbrt z)))
  (/ (- y x) (cbrt z))
  (/ 1 (sqrt z))
  (/ (- y x) (sqrt z))
  1
  (/ (- y x) z)
  (/ 1 z)
  (/ z (- y x))
  (/ (- y x) (* (cbrt z) (cbrt z)))
  (/ (- y x) (sqrt z))
  (- y x)
  (/ z (cbrt (- y x)))
  (/ z (sqrt (- y x)))
  (/ z (- y x))
  (/ z (- (sqrt y) (sqrt x)))
  (/ z (- y x))
  (* (fma y y (* x (+ y x))) z)
  (* z (+ y x))
  (/ (- y x) z)
  (/ (- y x) z)
  (/ (- y x) z)
2.246 * * * [progress]: adding candidates to table
2.324 * [progress]: [Phase 3 of 3] Extracting.
2.325 * [simplify]: Simplifying using  #<procedure:simplify-batch-regraph> :
   (+ x (/ (- y x) z))
2.326 * * [simplify]: iteration  0 :  6  enodes  (cost  7 )
2.326 * * [simplify]: iteration  1 :  7  enodes  (cost  7 )
2.326 * * [simplify]: iteration  done :  7  enodes  (cost  7 )
2.326 * [simplify]: Simplified to:
   (+ x (/ (- y x) z))
2.808 * [regime-testing]: End program error score: 0.014751843980497562